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Forecasting the solar cycle amplitude is important for a better understanding of the solar dynamo as well as for many space weather applications. We demonstrated a steady relationship between the maximal growth rate of sunspot activity in…

Solar and Stellar Astrophysics · Physics 2023-01-06 Tatiana Podladchikova , Shantanu Jain , Astrid M. Veronig , Olga Sutyrina , Mateja Dumbovic , Frederic Clette , Werner Poetzi

The high penetration of volatile renewable energy sources such as solar make methods for coping with the uncertainty associated with them of paramount importance. Probabilistic forecasts are an example of these methods, as they assist…

Machine Learning · Computer Science 2021-01-21 Vinayak Sharma , Jorge Angel Gonzalez Ordiano , Ralf Mikut , Umit Cali

This paper introduces an innovative framework designed for progressive (granular in time to onset) prediction of seizures through the utilization of a Deep Learning (DL) methodology based on non-invasive multi-modal sensor networks.…

Signal Processing · Electrical Eng. & Systems 2024-11-05 Ali Saeizadeh , Douglas Schonholtz , Joseph S. Neimat , Pedram Johari , Tommaso Melodia

Regression algorithms are regularly used for improving the accuracy of satellite precipitation products. In this context, satellite precipitation and topography data are the predictor variables, and gauged-measured precipitation data are…

Machine Learning · Computer Science 2023-10-17 Georgia Papacharalampous , Hristos Tyralis , Nikolaos Doulamis , Anastasios Doulamis

The emergence and decay of the sunspot groups are important components of the solar dynamo models. There are two different types of studies on the evolution of active regions. One of them is based on fewer data with higher spatial…

Solar and Stellar Astrophysics · Physics 2020-04-08 Judit Muraközy

Despite the success of machine learning (ML) in surrogate modeling, its use in radiation dose assessment is limited by safety-critical constraints, scarce training-ready data, and challenges in selecting suitable architectures for…

Machine Learning · Computer Science 2026-02-24 Biswajit Sadhu , Kalpak Gupte , Trijit Sadhu , S. Anand

A Bayesian method for forecasting solar cycles is presented. The approach combines a Fokker--Planck description of short--timescale (daily) fluctuations in sunspot number (\citeauthor{NobleEtAl2011}, 2011, \apj{} \textbf{732}, 5) with…

Solar and Stellar Astrophysics · Physics 2015-06-03 Patrick L. Noble , Michael S. Wheatland

To mitigate the uncertainty of variable renewable resources, two off-the-shelf machine learning tools are deployed to forecast the solar power output of a solar photovoltaic system. The support vector machines generate the forecasts and the…

Machine Learning · Computer Science 2017-05-02 Mohamed Abuella , Badrul Chowdhury

Solar flares are intense eruptive events caused by the rapid release of magnetic energy, often impacting Earth's space environment through electromagnetic radiation and high-energy particles. Accurate flare prediction is critical for space…

Solar and Stellar Astrophysics · Physics 2026-05-19 Limin Zhao , Xingyao Chen , Xiaoshuai Zhu , Dong Zhao , and Yihua Yan

Sepsis requires urgent diagnosis, but research is predominantly focused on Western datasets. In this study, we perform a comparative analysis of two ensemble learning methods, LightGBM and XGBoost, using the public eICU-CRD dataset and a…

Machine Learning · Computer Science 2023-11-09 Surajsinh Parmar , Tao Shan , San Lee , Yonghwan Kim , Jang Yong Kim

Accurate forecasts of distributed solar generation are necessary to reduce negative impacts resulting from the increased uptake of distributed solar photovoltaic (PV) systems. However, the high variability of solar generation over short…

Machine Learning · Computer Science 2024-11-19 Maneesha Perera , Julian De Hoog , Kasun Bandara , Saman Halgamuge

The long term study of the Sun is necessary if we are to determine the evolution of sunspot properties and thereby inform modeling of the solar dynamo, particularly on scales of a solar cycle. We aim to determine a number of sunspot…

Solar and Stellar Astrophysics · Physics 2011-08-23 Fraser T. Watson , Lyndsay Fletcher , Stephen Marshall

Ensemble learning combines several individual models to obtain better generalization performance. Currently, deep learning architectures are showing better performance compared to the shallow or traditional models. Deep ensemble learning…

Machine Learning · Computer Science 2022-08-09 M. A. Ganaie , Minghui Hu , A. K. Malik , M. Tanveer , P. N. Suganthan

With changing climatic conditions, we are already seeing an increase in extreme weather events and their secondary consequences, including landslides. Landslides threaten infrastructure, including roads, railways, buildings, and human life.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Alexandra Jarna Ganerød , Gabriele Franch , Erin Lindsay , Martina Calovi

We have reconstructed the sunspot group count, not by comparisons with other reconstructions and correcting those where they were deemed to be deficient, but by a re-assessment of original sources. The resulting series is a pure solar index…

Solar and Stellar Astrophysics · Physics 2016-03-23 Leif Svalgaard , Kennuth H. Schatten

Solar energy adoption is critical to achieving net-zero emissions. However, it remains difficult for many industrial and commercial actors to decide on whether they should adopt distributed solar-battery systems, which is largely due to the…

Since the weather is chaotic, forecasts aim to predict the distribution of future states rather than make a single prediction. Recently, multiple data driven weather models have emerged claiming breakthroughs in skill. However, these have…

Recent developments in AI techniques for space applications mirror the success achieved in terrestrial applications. Machine learning, which excels in data rich environments, is particularly well suited to space-based computer vision…

Instrumentation and Methods for Astrophysics · Physics 2025-08-05 Michael Herman , Olivia J. Pinon Fischer , Dimitri N. Mavris

The uncertainty associated with solar photo-voltaic (PV) power output is a big challenge to design, manage and implement effective demand response and management strategies. Therefore, an accurate PV power output forecast is an utmost…

Signal Processing · Electrical Eng. & Systems 2018-11-26 Muhammad Qamar Raza , N. Mithulananthan , Jiaming Li , Kwang Y. Lee , Hoay Beng Gooi

This study explores the use of historical data from Global Navigation Satellite System (GNSS) scintillation monitoring receivers to predict the severity of amplitude scintillation, a phenomenon where electron density irregularities in the…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Sultan Halawa , Maryam Alansaari , Maryam Sharif , Amel Alhammadi , Ilias Fernini
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